**Warning: Video contains explicit language**
Katy Perry is definitely not having the best week ever.
The "Roar" singer showed up late to a fashion show in Milan on Feb 20 and was greeted by a sea of boos from photogs who had been waiting almost an hour for her unfashionably late arrival.
"You're all going to get your picture, so shut the f--k up," she yelled at them.
Then, when Katy touched down in LAX, she probably thought she was leaving her problems behind her.
Not the case.
Photogs were waiting at the airport (which never seems to be a good thing) and she got booed again as she was making her way to the car with paps even mocking her for the incident in Milan.
It got so bad, her assistant tried to shove the shutterbugs to get them away from the pop star.
You might think things got better for Katy over the weekend when she attended Miley Cyrus' concert and got a smooch from the singer, but depending on whether that was before or after Miley put a random fan's thong in her mouth, that might not be the most ideal situation, either.
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Gallery | Katy Perry's Red Carpet Style